Hi,
I have a generator which is given a data file "data.txt" and then generates an
include file "gen.h".
"gen.h" is told to CMake to be a generated file.
"gen.h" is added to the library.
I thought CMake would find the custom command and generate the file "gen.h"
Instead an error occurs, this is the output:
-- Configuring done
CMake Error in libfoo.so/CMakeLists.txt:
Cannot find source file "gen.h". Tried extensions .c .C .c++ .cc
.cpp .cxx .m .M .mm .h .hh .h++ .hm .hpp .hxx .in .txx
Why doesn't CMake generate the file?
Example code:
------------------
# Set variable containing all source files
SET( SRCS
foo1.c
)
# Tell CMake that "gen.h" is a generated file
SET_SOURCE_FILE_PROPERTIES( gen.h PROPERTIES GENERATED 1 )
# Define custom command to generate "gen.h"
ADD_CUSTOM_COMMAND(
OUTPUT gen.h
COMMAND echo "this command would generate 'gen.h' from data.txt"
DEPENDS data.txt
)
# Define to build a target shared object library named "libfoo.so" from the
source files "${SRCS}".
# The file "foo1.c" depends on the generated include file "gen.h"
ADD_LIBRARY( foo SHARED ${SRCS} gen.h )
------------------
PS: I'm using CMake V2.6, if this might be useful to know.
Best Regards,
Joerg
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